نمایش نتیجه 1 تا 3 از 3 نتیجه یافت شده برای tungsten carbide bit:
n: see tungsten carbide bit.
n: a type of roller cone bit in which the cutting structure consists of the specially designed tungsten carbide cutter set into the cones.
n: a type of roller cone bit with inserts made of tungsten carbide. Also called tungsten carbide insert bit.
n: The cone bit that be fixed tungsten carbide alloy tooths on the bore of shell.
n: see tungsten carbide bit.
n: The cone bit that be fixed tungsten carbide alloy tooths on the bore of shell.
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